An international team of researchers based in the Netherlands used weather radars to monitor the movements of wild birds on New Year’s Eve. Radar data revealed that tens of thousands of birds explode into flight promptly at midnight when public fireworks shows begin. The panicked birds reached altitudes of 500 metres where they flew in dense flocks for 45 minutes. The highest flock densities were detected over grasslands and wetlands, and over conservation sites, which are the wintering homes where many tens of thousands of waterfowl, wading and shorebirds, and seabirds rest and feed.

from Forbes – Tech http://ift.tt/1PzGS6Y
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